Is there a relationship between vitamin D levels, inflammatory parameters, and clinical severity of COVID-19 infection?
et al., Bratislava Medical Journal,
Retrospective 300 hospitalized patients in Turkey with vitamin D levels measured with 6 months before admission, showing no significant difference in severity based on vitamin D deficiency.
risk of severe case, 46.4% lower, RR 0.54, p = 0.10, high D levels (≥20ng/mL) 9 of 110 (8.2%), low D levels (<20ng/mL) 29 of 190 (15.3%), NNT 14.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
This study is excluded in the after exclusion results of meta
unadjusted results with no group details.
Ozturk et al., 16 May 2022, retrospective, Turkey, peer-reviewed, 6 authors.